Flush-tank siphon mechanism



A. P. RICHARDSON.

FLUSH TANK SIPHON MECHANISM.

APPLICATION FILED FEB. 24, |9|9..

1 ,3 1 1,7 1 4:. Patented July 29, 1919.

Hal.

A TTORNEKS,

THBCOLUMBIA PLANOGRAPH co WASHINGTON. I).v c.

UNITED STATES PATENT ()FFlGE.v

ARTHUR P. RICHARDSON, OF LOS ANGELES, CALIFORNIA.

FLUSH-TANK SIPHON MECHANISM.

Application filed February 24, 1919. Serial No. 278,798.

To all whom it may concern:

Be. it-known that I, ARTHUR P. RICHARD- SON, a citizen of the UnitedStates, residing r at Los Angeles, in the county of Los Angeles andState of California, have invented new and useful Improvements in Flush-Tank Siphon Mechanisms, of which the following is a specification;

My object is to make a flush tank siphon mechanism and my inventionconsists of the novel features herein shown, described and claimed.

Figure 1 is a view showing a flush tank in sectional elevation andconstructed in accordance with the principles of my invention. Fig. 2 isan enlarged vertical central section of the siphon mechanism upon thesame plane as Fig. 1.

A flush tank box 1 may be any of the usual constructions and has a floatoperated inlet mechanism 2' and a siphon mechanism 3.

-The details of the siphon mechanism are as follows: 1

i 1 A large opening 4 is formed through a 'of'the neck 7. A flange 9extends outwardly from the lower. end of the neck 7 below the boss 8,thelower face of the flange being finished. An externally screw threadednip ple 10 extends downwardly from the flange 9. A gasket 11 fitsupwardly against the flange9 around the nipple 10. A cap 12 has alargechamber 13 and a reducing flange 14 at the upper end of the chamber, thereducing flange 14 being internally screw threaded and screwed upon thenipple 10. A boss 15 extends downwardly from the center of thercap 12and has a kerf 16 for the reception of a tool for screwing on andunscrewing the cap. A neck 17 extends upwardly from the flange 5 looselythrough the openend of the extension 19 below the web 20. A passage 23extends through the union member 22 and downwardly from the web 20 tothe chamber 13. A pipe 24 extends from the web 20 and from the ni ple 21downwardly to the chamber 13. llollow braces 25 and 26 connect the pipe24 to the wall of the extension 19, there being passages 27 and 28through the braces to a passage 29 through the pipe 24. Solid braces 30and 31 connect the lower portion of the pipe 24 to the wall of the neck7 so as to hold the pipe 24 centrally in the chamber 23.

An outlet pipe 32 is connected to the boss 8 and leads downwardly. Anintake pipe 33 is connected to the union member 22 and extendsdownwardly to a point just above the bottom 5. A passage 34 leadingupwardly through the intake pipe 33 and through the union member 22downwardly through the chamber 23 and downwardly through the pipe 32constitutes the siphon proper. A cap 35 is screw seated upon the nipple21 and has a central opening 36 to form a bearing for a valve stem 37.The valve stem 37 is inserted downwardly through the opening 36 anddownwardly through a passage 38 in the pipe 24 to the chamber 13. Avalve seat 39 is formed upon the lower end of the pipe 24 and a valve 40is fixed u on the lower end of the valve stem 37 to t the valve seat 39.A

Specification of Letters Patent. Patented July 29, 1919.

bracket 41 is clamped to the intake pipe 33 arm 45 extends from thebracket 41 and the long end of the lever 42 extends through the guidearm 45 and a weight 46 is connected to the long end of the lever, theforce of the weight being exerted to pull the stem 37 upwardly to bringthe valve 40 against the seat 39.

A hearing 47 is mounted-on top of the box 1. A lever 48 is pivotallymounted in the bearing 47, a link 49 connects one end of the lever 48 tothe lever 42 and the other end of the lever extends over the edge of thebox 1. A chain 50 is connected to the outer end of the lever 48 and ahandle 51 is connected to the lower end of the chain.

When the inlet mechanism 2 operates, the tank or box 1 is filled to thedesired extent, ready for the flushing operation. When it pass upwardlythrough'the inlet pipe 33,

is desired to flushthebowl 52 or the like, the handle 5-1 is operated topull downwardly upon the chain 50, thereby raising the weight 46 andlowering the valve 10 away from the seat 39, then water will, passthrough the openings 27 and 28 from the chamber 53 and downwardlythroughthedownwardly through the chamber 23, and outwardly and downwardlythrough 'the pipe 32 until'the supply of water in the tank is exhausted.r

' The main casting is inserted upwardly,

' the union member 22 passing through the opening 4 in the bottom 5',and'the flange 6 fitting against the lower face of the bottom. A gasket5' is placed around the casting against the upper face of the bottom 5,and a flange 18" is, screwed down upon :the threads' 18 against thegasket 17 to hold the parts, firmlyin place; The cap 12 is" below thebottom 5 and in the open air so that when desired the cap'may be removedto fix the valve 40. I V

Of course the upper part of the siphon mechanism is in the box 1 andnormally flooded with water. There is 'a great advantage in. connectingthe drain pipe 32 to the I siphon mechanism outside of the box and inhaving the cap 12 outside of the box.

Various changes ma be made without'departing from the spirit of myinvention as claimed. I

I claim:

'1 A flush tank siphon mechanism. comprising the combination with aflush tank box having alarge opening formed through its bottom, of acasting having a flange fitting upwardly against the lower face of thebottom, a neck extending downwardly from the flange, an internally screwthreaded boss extending laterally from the lower end of the neck, asecond flange extending outwardly from the lower end of the neck becomesof this patent may be obtained for low the boss, an externally, screwthreaded nipple extending downwardly from the second flange, a neckextending upwardly from the first flange loosely through the openingtending laterally from the upper end of the extension below the web,there being a as sage through the union member and downwardly from thewebto the lower end of the first nipple, a pipe extending-from the weband from thenipple downwardly-to the lower end of the first externallyscrew threaded nipple, and hollow braces connecting the pipe to the wallof the extension; a

cap having a largechamber and-a reducing flange at the upper end of thechamber, the

reducing flange being screwed upon the first externally screw threadednipple against the second flange; an outlet pipe connected to the bossand leading downwardly; anintake pipe connected to the union-memberand=extending downwardly to a pointjust above the bottom; a cap screwseated upon the nipple above the web and having a central' opening;avalve stem mounted through the cap and extending through the pipe tothe a cap chamber; a valve seat at the lowerend of the pipe; and avalvenpon the valve stem' in the cap chamber to fit the valve seat.

2. In aflush tank siphon mechanism, a

fitting forming an outer passage and an inner passage, there being alateral opening to the central part of the inner passage and an openingto the top of theouter passage and both passages being'openat thebottom,

a chambered cap covering the lower ends of the passages and connectingthe lower ends together, a downwardly extending in-,

take pipe'connected to the opening at the upper end of the outerpassage, andv a drain pipe connected to the lower end of'theouter assa ethere bein avalve for controllin w z: a y t;

the lower end of the inner passage.

In testimony whereof I have signed-my name'to this specification.

ARTHUR P. RICHARDSON;

five cents each, by addressing the Commissioner of Patents, Washington;D. G.

